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noname [10]
3 years ago
10

Is 7.24979 a rational number

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

<u>Answer:</u>

<u>No, this is not a rational number.</u>

This is an irrational number because it's not rational. There isn't a possible ratio for that number.

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Solve for x x-4=-7. Please
Alecsey [184]

Answer:

-3

Step-by-step explanation:

x - 4 = - 7

Carry over the - 4 and make x the subject.

x= - 7 + 4

x= - 3

Therefore x is - 3

8 0
3 years ago
Find the indicated limit, if it exists.(7 points)
Alecsey [184]

Answer:

7

Step-by-step explanation:

The left hand limit is when we approach zero from left. We use the function on this domain in finding the limit.

\lim_{x \to 0^-} f(x)=7-x^2

\lim_{x \to 0^-} f(x)=7-(0)^2=7

The right hand limit is

\lim_{x \to 0^+} f(x)=10x+7

\lim_{x \to 0^+} f(x)=10(0)+7=7

Since the left hand limit equals the right hand limit;

\lim_{x \to 0} f(x)=7

7 0
3 years ago
A cube is sliced diagonally, containing two vertices, and perpendicular to the base, as shown below. Which figure best represent
blagie [28]

Answer: rectangle

Step-by-step explanation:

7 0
3 years ago
When you are trying to find the endpoint when given the midpoint and one point, what would the new formula be? Manipulate the fo
MariettaO [177]

Answer:

(x_2,y_2) = (2x_m - x_1 ,2y_m - y_1 )

Step-by-step explanation:

Given

\left(\frac{x_1+\:x_2}{2},\:\:\frac{y_{1\:}+y_2}{2}\right)\:=\:\left(x_m,\:y_m\right)

Required

Determine x2, y2

Start by splitting the expression

x_m = \left(\frac{x_1+\:x_2}{2}) and y_m = (\frac{y_{1\:}+y_2}{2})

Solving for x2 in x_m = \left(\frac{x_1+\:x_2}{2})

Multiply through by 2

2 * x_m = \frac{x_1 + x_2}{2} * 2

2x_m = x_1 + x_2

Make x2 the subject;

x_2 = 2x_m - x_1

Similarly:

y_m = (\frac{y_{1\:}+y_2}{2})

Multiply through by 2

2 * y_m = \frac{y_1 + y_2}{2} * 2

2y_m = y_1 + y_2

Make y2 the subject;

y_2 = 2y_m - y_1

Hence:

(x_2,y_2) = (2x_m - x_1 ,2y_m - y_1 )

7 0
3 years ago
I know it’s a lot but 23 points and will make brainliest!!!<br> Please do 5-10
hodyreva [135]

Answer:

5, 20 - 52 = x

6, x - 27 = 5

7, 4 + x = 6

8, 14 - x = 29

9, x - 54 = 12

10, x + 25 = 40

Step-by-step explanation:

hope this is what u wanted.

brainiest please

5 0
3 years ago
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